Pipes A and B can fill a tank in 15 and 12 minutes respectively. Pipe C can empty the same tank at the rate of 2 liters per minute when the tank is full. If all three pipes are operating at the same time, The tank gets emptied one hour. Tank capacity is

Pipes A and B can fill a tank in 15 and 12 minutes respectively. Pipe

1.	Pipes A and B can fill a tank in 15 and 12 minutes respectively. Pipe C can empty the same tank at the rate of 2 liters per minute when the tank is full. If all three pipes are operating at the same time, The tank gets emptied one hour. Tank capacity is
A.	14 liters
B.	12 liters
C.	18 liters
D.	16 liters
Answer» C. 18 liters

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Pipes A and B can fill a tank in 15 and 12 minutes respectively. Pipe C can empty the same tank at the rate of 2 liters per minute when the tank is full. If all three pipes are operating at the same time, The tank gets emptied one hour. Tank capacity is

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